1)wales.scotland and england 2)the united kingdom 3)the capital of the u. к. 4)cardiff is the capital 5)the scottish capital 6)belfast is the capital 7)london is rhe capital

1.   if the question   is  difficult, we can ask the teacher. 2.   lee will go to disneyland if he saves   enough money. 3.   if i   bought    a lottery ticket, i might win the lottery. 4.   my friend usually walks to school if he   has   enough time. 5.   if the movie starts   at eight, we will be late! 6.   we can go waterskiing if jeff's boat   has  gas. 7.   the class will have a party if the students all pass their tests. 8.   if there   is   milk in the refrigerator, i'll have milk with my cake. 9.   if my sister eats    all of the cake, i will get angry. 10.   my mother always punishes my sister if she tells a lie.

negatives: (use contractions)

11.   if the world   doesn`t   end   tomorrow, we'll have to go to work as usual. 12. if the pizza   doesn`t come soon, we can eat a sandwich instead. 13.   if there   isn`t any milk in the refrigerator, i'll go to the supermarket. 14.   if it isn`t snowing   tomorrow, we can't go skiing. 15.   my dad will paint the garage if it isn`t   raining on saturday. 16.   if we   don`t go   to work, we won't get paid. 17.   we can't go if we   don`t buy   a ticket. 18.   i will call you if she doesn`t go   to the movies, and we can go out together. 19.   we should go jogging if it   isn`t   raining outside. 20.   if the phone doesn`t ring   this afternoon, i can take a nap.